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Study on Multi-parameters Discrimination Method for Flow Units

YAO He-fa~(1,2) LIN Cheng-yan~(3) JIN Xiu-ju~(4)SHEN Ben-ke~(2) ZHANG Zhi-guo~(5) HE Shan-bin~(5)(1.China University of Geosciences,Beijing 100083; 2.Institute of Petroleum Exploration and Development,SINOPEC,Beijing100083;3.China University of Petroleum,Dongying,Shandong 257061;4.Institute of Petroleum Exploration and Development in Zhongyuan Oilfield,Puyang,Henan 457001;5.Second Oil Production Factory in Changqing Oil Field,Qingyang,Gansu 7451000)  
electing discretion parameter is the key of multi-parameters to identifyflow units.Taking reservoir offluvial facies in the area of Well L37in Ordos basin as an example,utilizingSPSS statistical analysis software,through analyzing the discretions and their connectionbetween six parameters of reservoirs,the discretion functionofflow units has been established,the characters of flow units and heterogeneities of reservoirs have been investigated.There are four types of flow units and three kinds of intrastratal heterogeneities,the flow units ofⅠ,Ⅱ,Ⅲ,Ⅳ distributes in sedimentary microfacies of point bar,crevasse,natural levee.Differentmeasures should be adopted according to the characters of reservoir heterogeneities.
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